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MDL-33441 course/lib.php prevent fatal error when no visible categories

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Dan Poltawski 2012-06-05 16:40:40 +08:00
parent 4db061680e
commit 7f88c42608
1 changed files with 5 additions and 0 deletions
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5
course/lib.php
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@ -2147,6 +2147,11 @@ function get_course_category_tree($id = 0, $depth = 0) {
return array($categories, $categoryids);
}
if (empty($categoryids)) {
// No categories available (probably all hidden).
return array();
}
// The depth is 0 this function has just been called so we can finish it off
list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');